Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

NXX: 641

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-641 A West Yellowstone MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-641 0 West Yellowstone MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-641 1 West Yellowstone MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2012-12-17   
406-641 2 West Yellowstone MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-06-05   
406-641 3 West Yellowstone MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-09-15   
406-641 4 West Yellowstone MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-11-10   
406-641 5 West Yellowstone MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-09-15   
406-641 6 West Yellowstone MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650   2016-08-12   
406-641 7 West Yellowstone MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2011-10-24   
406-641 8 West Yellowstone MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-641 9 West Yellowstone MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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